00: e 7 0 f 0 2 a 0 2 a 0 8 4 e c 2
10: e 6 4 e 6 9 4 4 b 1 f 0 0 8 0 4
20: 2 a 0 5 1 e b b 1 c 0 f 2 3 a 0
30: 5 c 0 f 3 9 f 0 b 2 9 1 2 0 f 3
40: 9 1 e b 7 c 0 f 0 0 b 1 5 f 3 0